99154864 has 20 divisors (see below), whose sum is σ = 198310720. Its totient is φ = 47977920.

The previous prime is 99154859. The next prime is 99154883. The reversal of 99154864 is 46845199.

It is a happy number.

99154864 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99459 + ... + 100450.

It is an arithmetic number, because the mean of its divisors is an integer number (9915536).

Almost surely, 2^99154864 is an apocalyptic number.

It is an amenable number.

99154864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99154864 is a wasteful number, since it uses less digits than its factorization.

99154864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199948 (or 199942 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 99154864 is about 9957.6535388615. The cubic root of 99154864 is about 462.8475910528.

It can be divided in two parts, 991 and 54864, that added together give a palindrome (55855).

The spelling of 99154864 in words is "ninety-nine million, one hundred fifty-four thousand, eight hundred sixty-four".